Chemistry Vocab Review

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Across
  1. 3. the radius of an atom
  2. 5. how well outer electrons protect inner electrons
  3. 7. subatomic particle with a neutral charge
  4. 8. when a neutron slams into a larger atom forcing it to combine
  5. 9. when a neutron slams into a larger atom forcing it to split
  6. 11. distance between any given point and the same point in the next wave cycle
  7. 13. substance made from 2 or more different elements
  8. 15. a change in size shape or change that can be reversed
  9. 16. a test performed to observe something carefully to gain new info
  10. 18. how much energy is needed to take an electron
  11. 19. way to write very small or large numbers in a conveniant decimal form
  12. 21. conversion of liquid to gas
  13. 22. energy released as high speed charged particles
  14. 23. Mass divided by volume
Down
  1. 1. anything that takes up space and can be weighed
  2. 2. a statement about the relationship of 2 or more variables
  3. 4. substance combines with another to make a new substance;non-reversable
  4. 6. point at which liquids bubble
  5. 8. the rate at which something occurs in a certain period of time
  6. 10. point at which solids start to melt
  7. 12. subatomic particle with a negative charge
  8. 14. small particles that are made up of electromagnetic waves
  9. 17. digits used to express a calculated quantity
  10. 20. subatomic particle with a positive charge